What is the purpose of the three ankle ligaments on the outside of the foot?
A. Providing a place to grow pedal cartilage
B. Giving form to the bony skeleton of the foot
C. Preventing athletic sports injuries to the foot
D. Holding together freely moving ankle joints
Answer: D
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As blood travels through a systemic capillary and exchanges gases with systemic cells,
A. the partial pressure of oxygen in blood increases as it goes from arterioles to venules. B. the partial pressure of oxygen in blood decreases as it goes from arterioles to venules. C. the partial pressure of oxygen on blood remains the same as it goes from arterioles to venules.
Contraction of mesangial cells results in a(n) ________, which decreases glomerular filtration.
A) increase in surface area of capillaries available for filtration B) decrease in surface area of capillaries available for filtration C) dilation of the efferent arterioles D) dilation of the afferent arterioles E) constriction of the afferent arterioles
The antibody active in agglutination or clumping of antigens is ________.
A. IgM B. IgG C. IgD D. IgA
Because of complementary base pairing, if one side of a DNA molecule was ATCCGTAATC, the other side of the molecule would be:
a. ATCCGCTAATC b. AUCCGCUAATC c. UAGGCGAUUAG d. TAGGCATTAG